K&N 57-1514-1 Fuel Injection Performance Air Intake Kit for 97-06 Jeep Wrangler TJ & Unlimited with 4.0L Engine
High-Flow Intake Performance: The K&N 57-1514-1 Fuel Injection Performance Air Intake Kit is designed to significantly increase airflow to your engine, improving combustion efficiency and overall performance.
Increased Horsepower & Torque: Engineered to deliver measurable gains in horsepower and torque, enhancing throttle response and acceleration for your 4.0L engine.
Reusable High-Flow Air Filter: Includes K&N’s premium washable and reusable air filter that maximizes airflow while effectively trapping dirt and debris for long-term engine protection.
Reduced Intake Restriction: Replaces the factory air box with a high-flow intake system, allowing your engine to breathe more freely and operate more efficiently.
Enhanced Engine Sound: Produces a deeper, more aggressive intake tone under acceleration while maintaining smooth, controlled sound levels during everyday driving.
Vehicle-Specific Fitment: Designed for 1997–2006 Jeep Wrangler TJ and Unlimited (LJ) models equipped with the 4.0L engine, ensuring precise fitment and easy installation.
Durable Construction: Built with high-quality materials to withstand engine heat and harsh operating conditions, making it ideal for both daily driving and off-road use.
Note: The filter recharger kit is sold separately.CARB Notice
- 50 State Legal - CARB E.O. Number D-670-15
The Fuel Injection Performance Air Intake Kit helps achieve horsepower gains even under varying atmospheric conditions. This FIPK kit replaces the entire air intake, isolating the cold air with the use of a custom heat shield and directing the air through a unique chamber delivery system. Dyno test results showed torque increases through the towing ranges of no less than 23 ft. lbs. FIPKs are legal in all 50 states.
To ensure all the power and performance that your fuel- injected engine is capable of providing, install a high-quality K&N Fuel Injection Performance Kit and feel the power! You'll get better acceleration, instant power, and ease in lane changing and passing even while towing. And remember, K&N delivers performance that's guaranteed for 10 years or one million miles, whichever comes first.
57-1514-1 Product Specifications
Product Style: 57 Series FIPK
Estimated Horsepower Gain: 12.12 HP @ 4623 RPM
Type: Gen II
Replacement Filter: RF-1045
CARB EO Number: D-269-31
CARB Exempt: Yes
Weight: 11 lb (5 kg)
Product Box Length: 36.25 in (921 mm)
Product Box Width: 13.25 in (337 mm)
Product Box Height: 10.38 in (264 mm)
Check local regulations concerning emissions & aftermarket air cleaner assemblies. Because it is not OE equipment it could fail visual inspection.
Level 2IntermediateTools Needed:
Flat Blade Screwdriver
Pair of Dikes
Ratchet
7/16 Deep Socket
10mm Socket
10mm Wrench
4mm Allen Wrench
5mm Allen Wrench
Drill
3/4 Drill Bit
Filtercharger Element
Intake Tube
Heat Shield
Angled L Bracket
L Bracket
Saddle
2 Rubber Mounted Studs
Mounting Hardware
Installation Hardware
- Engine Size: 4.0L I-6
- Engine Fuel: Gasoline
- Shipping Weight: 13lb
- Shipping Dimensions: 36in x 14in x 11in (L x W x H)
Jeep Wrangler (TJ)
- 2006 Jeep Wrangler (TJ)
- 2005 Jeep Wrangler (TJ)
- 2004 Jeep Wrangler (TJ)
- 2003 Jeep Wrangler (TJ)
- 2002 Jeep Wrangler (TJ)
- 2001 Jeep Wrangler (TJ)
- 2000 Jeep Wrangler (TJ)
- 1999 Jeep Wrangler (TJ)
- 1998 Jeep Wrangler (TJ)
- 1997 Jeep Wrangler (TJ)
Jeep Wrangler Unlimited (LJ)
- 2006 Jeep Wrangler Unlimited (LJ)
- 2005 Jeep Wrangler Unlimited (LJ)
- 2004 Jeep Wrangler Unlimited (LJ)
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